Well, I have ported a few things, mainly for AfterStep (very cool, thanks Steve J.) on Darwin, like the xiterm, ASClock 2.0 (no, not the 1.0), etc ...
but I often miserabily fail because of this message :
/usr/bin/ld: can't locate file for: -lm
I know it is the Mathlib, so what ??? What...